Year	Percent
1993-01-01	0.7635800000000000
1994-01-01	0.6202320000000000
1995-01-01	0.5791510000000000
1996-01-01	0.5352050000000000
1997-01-01	0.6309530000000000
1998-01-01	0.4205840000000000
1999-01-01	2.7503700000000000
2000-01-01	4.9880400000000000
2001-01-01	4.2399500000000000
2002-01-01	3.6401300000000000
2003-01-01	3.0647000000000000
2004-01-01	5.2992900000000000
2005-01-01	6.0700199999999995
2006-01-01	6.1671500000000000
2007-01-01	6.7626000000000000
2008-01-01	7.8236899999999990
2009-01-01	6.8679900000000000
2010-01-01	8.1635300000000000
2011-01-01	7.2720800000000000
2012-01-01	7.1894899999999990
2013-01-01	7.7653399999999990
2014-01-01	8.2586500000000000
2015-01-01	12.3733000000000000
2016-01-01	14.4027000000000000